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Disassembly/Reassembly
(to reassemble, follow procedures in reverse)
During Disassembly
During Reassembly
Remove with a spanner or socket
wrench
Consult the table of tightening torques
and tighten to the proper torque
Remove and clean sealing
surfaces
Replace with a new gasket if warped or
damaged
Remove with a spanner or socket
wrench
Reattach and tighten
Remove with a spanner or socket
wrench
Line up spring pin in valve stem with
grooves cut into the adjusting screw as
cover is placed onto the body; consult
the table of tightening torques and
tighten to the proper torque
Remove and clean sealing
surfaces
Replace with a new gasket; coat
surfaces with anti-seize
Locknut 15
Cover 2
Cover Gasket 17
Screw in by using a flat-head
screwdriver
Be careful not to damage the seal ring
during reassembly
Adjusting Screw 4
Remove
Replace with a new seal ring if damaged;
coat with heat resistant silicon grease
Seal Ring 13
Remove from the valve stem
Reattach to the valve stem
Snap Ring 11
Lift up and off from the valve stem Slide onto the valve stem
Washer 6
Remove from the valve stem
Place on the valve stem
Return Spring 10
Remove from the valve stem by
lifting up and off
Slide onto the valve stem
Thrust Plate 20
Lift up and off from the valve stem Slide onto the valve stem
Washer (5 sets) 6
Remove the bimetal element from
the valve stem by lifting up and off
Reassemble the bimetal elements,
paying special attention to the proper
orientation (the
marks on the
outside, see Exploded View, p. 6)
Bimetal Element
(5 sets of 2 discs) 5
Remove from the valve stem only
if damaged
Replace with new if damaged
Spring Pin 12
Remove from the trap body
Reinsert
LQWKH
proper orientation
Spring Guide 19
Remove from the trap body
Reinsert
Overexpansion Spring 9
Remove without bending
Reinsert without bending
Screen 14
Remove and clean sealing
surfaces
Replace with a new gasket; coat
surfaces with anti-seize
Valve Seat Gasket 8
Cap Nut Gasket 21
Part & No.
Cap Nut 16
English
Gasket(s)
Seal Ring
Valve Stem
Bimetal Element
Over-expansion and Return Springs
Check for warping and damage
Check for scratches and wear
Check for scratches and wear
Check for wear and deformation
Check for wear
Check for clogging, corrosion or damage
Check for rust, scale, oil film wear or damage
Check inside for rust and scale
Parts Inspection Procedure
Screen
Valve Seat
Body, Cover
Remove with a socket wrench,
being careful not to scratch the
sealing surfaces
Consult the table of tightening torques
and tighten to the proper torque; be
careful not to scratch seating surfaces
Valve Seat 7